package lab01;

/**
 * Created by dell on 2017/10/8.
 */
public class Test05 {
    public static void main(String[] args) {
        //for
        int i = 1, sum = 0;
        for (i = 1; i <= 100; i++) {
            sum = sum + i;
        }
        System.out.println(sum);
        //while
        while(i<=100){
            sum=sum+i;
            i++;
        }
        System.out.println(sum);
        //do...while
        do{

            sum=sum+i;
            i++;
        }
        while(i<=100);
        System.out.println(sum);
    }

}


